Experimental Study of Fill Body Non-Uniformity for Cut-and-Fill Mining

Wen Yuan Xu; Li Jie Guo; Xiao Cong Yang; Chao Yang

doi:10.4028/www.scientific.net/AMR.941-944.2539

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 941-944Experimental Study of Fill Body Non-Uniformity for...

Experimental Study of Fill Body Non-Uniformity for Cut-and-Fill Mining

Abstract:

In this paper, for solving the problem of the filling slurry’s segregation which always leads to non-uniform in-situ filling body, an indirect detection method has been developed to test the material components of the backfill based on element conservation principle. Combined with this detection method, an analog simulation flume experiment has been carried out to study the non-uniform characteristic of the backfill. The results show that the strength of the in-situ backfill body with high content cement is in an S-shaped type distribution, whilst the strength of the in-situ backfill body with low content cement is in a linear decreasing distribution. And on the basis of experimental analysis, the strength distribution model of the in-situ backfill body has been built to study a safe and economical backfill design.

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Periodical:

Advanced Materials Research (Volumes 941-944)

Pages:

2539-2546

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.941-944.2539

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Online since:

June 2014

Authors:

Wen Yuan Xu, Li Jie Guo, Xiao Cong Yang, Chao Yang

Keywords:

Backfill, Cut and Fill Mining, Fill-Body, Non-Uniformity

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